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National Ambient Air Quality Standard Update Colin McCall, All4 - Hot Topic Hour December 10, 2010

Within the past two years, the U.S. EPA has promulgated/proposed a 1-hour NO2 NAAQS, a 1-hour SO2 NAAQS, and a revised 8-hour ozone NAAQS. In addition, U.S. EPA has finalized new source review (NSR) regulations related to the annual and 24-hour PM2.5 NAAQS. These new health-based NAAQS are extremely stringent and will make it increasingly difficult to obtain approval for new facilities or for existing facility expansion and modernization projects.

Revision Date:  12/10/2010

Tags:  221112 - Fossil Fuel 化石燃料, All4, NAAQS, PM2.5, Ozone